/* ============================================
   BERK UZAN — Premium Portfolio
   Design System & Styles
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --bg-primary: #050508;
  --bg-secondary: #0a0a10;
  --bg-elevated: #111118;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.65);
  --text-muted: rgba(240, 240, 245, 0.4);

  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-violet: #a78bfa;

  --gradient-primary: linear-gradient(135deg, var(--accent-purple), var(--accent-blue), var(--accent-cyan));
  --gradient-subtle: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.08));
  --gradient-glow: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.2), transparent 70%);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.08);

  /* Spacing (8pt grid) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.5rem;   /* 24px */
  --space-6: 2rem;     /* 32px */
  --space-8: 3rem;     /* 48px */
  --space-10: 4rem;    /* 64px */
  --space-12: 6rem;    /* 96px */
  --space-16: 8rem;    /* 128px */

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: clamp(3rem, 8vw, 5.5rem);

  /* Effects */
  --blur-glass: 20px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul[role="list"] {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Noise Overlay --- */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* --- Scroll Progress --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 10001;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

/* --- Navigation --- */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  height: var(--nav-height);
  transition: background var(--transition-base), backdrop-filter var(--transition-base), border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav-header.is-scrolled {
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border-bottom-color: var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: -0.02em;
}

.nav__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: white;
}

.nav__logo-text {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav__logo:hover .nav__logo-text {
  color: var(--text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link--cta {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(139, 92, 246, 0.3);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.is-active span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav__toggle.is-active span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(5, 5, 8, 0.95);
  backdrop-filter: blur(var(--blur-glass));
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  pointer-events: none;
}

.nav__mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav__mobile-link {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover {
  color: var(--text-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
  transform: translateY(-1px);
}

.btn--ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(139, 92, 246, 0.25);
  transform: translateY(-1px);
}

.btn--submit {
  width: 100%;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  background: var(--gradient-primary);
  color: white;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.2);
  overflow: hidden;
}

.btn--submit:hover {
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.35);
}

.btn__shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
}

/* --- Section Shared --- */
.section {
  padding: var(--space-16) 0;
  position: relative;
}

.section__header {
  margin-bottom: var(--space-10);
  max-width: 640px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-purple);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.section__desc {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: var(--nav-height);
  padding-bottom: var(--space-10);
}

.hero__eyebrow {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__name {
  display: inline-block;
  font-size: var(--font-size-5xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.85) 50%, rgba(139, 92, 246, 0.9) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  cursor: default;
}

.hero__name::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-slow);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.5);
}

.hero__name:hover::after {
  width: 60%;
}

/* Glitch effect */
.glitch {
  position: relative;
}

.glitch.is-glitching::before,
.glitch.is-glitching::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.85) 50%, rgba(139, 92, 246, 0.9) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glitch.is-glitching::before {
  animation: glitch-1 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}

.glitch.is-glitching::after {
  animation: glitch-2 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-3px, 2px); }
  40% { transform: translate(3px, -1px); }
  60% { transform: translate(-2px, 1px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

@keyframes glitch-2 {
  0% { transform: translate(0); }
  20% { transform: translate(3px, -2px); }
  40% { transform: translate(-3px, 1px); }
  60% { transform: translate(2px, -1px); }
  80% { transform: translate(-2px, 2px); }
  100% { transform: translate(0); }
}

.hero__subtitle {
  font-size: clamp(var(--font-size-base), 2.5vw, var(--font-size-xl));
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  min-height: 1.6em;
  letter-spacing: -0.01em;
}

.typewriter__cursor {
  color: var(--accent-purple);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero__scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-purple), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- ABOUT --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about__lead {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.about__body {
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.about__stats {
  display: flex;
  gap: var(--space-8);
}

.about__stat-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about__stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.about__card {
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.about__card-glow {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: var(--gradient-glow);
  pointer-events: none;
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.about__pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), transform var(--transition-base);
  position: relative;
}

.about__pillar::before {
  content: attr(data-index);
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about__pillar:hover {
  background: var(--bg-glass-hover);
  transform: translateX(8px);
}

.about__pillar:hover::before {
  opacity: 1;
}

.about__pillar-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.15);
}

.about__pillar strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.about__pillar span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- PROJECTS --- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.project-card {
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}

.project-card--wide {
  grid-column: span 2;
}

.project-card__inner {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  transform-style: preserve-3d;
  will-change: transform;
}

.project-card:hover .project-card__inner,
.project-card:focus-visible .project-card__inner {
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: 0 16px 48px rgba(139, 92, 246, 0.12), 0 0 0 1px rgba(139, 92, 246, 0.08);
}

.project-card__visual {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-card--wide .project-card__visual {
  height: 160px;
}

.project-card__visual--unity {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.1));
}

.project-card__visual--flutter {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(59, 130, 246, 0.1));
}

.project-card__visual--ai {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.15), rgba(139, 92, 246, 0.1));
}

.project-card__visual--game {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.1));
}

.project-card__icon {
  font-size: 3rem;
  filter: grayscale(0.3);
  transition: transform var(--transition-base), filter var(--transition-base);
}

.project-card:hover .project-card__icon {
  transform: scale(1.1);
  filter: grayscale(0);
}

.project-card__content {
  padding: var(--space-5);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.tag {
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.tag--unity { background: rgba(139, 92, 246, 0.12); color: var(--accent-purple); }
.tag--flutter { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); }
.tag--ai { background: rgba(167, 139, 250, 0.12); color: var(--accent-violet); }
.tag--web { background: rgba(59, 130, 246, 0.12); color: var(--accent-blue); }
.tag--mobile { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); }
.tag--csharp { background: rgba(139, 92, 246, 0.12); color: var(--accent-purple); }
.tag--game { background: rgba(59, 130, 246, 0.12); color: var(--accent-blue); }

.project-card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.project-card__desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__cta {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  transform: translateY(8px);
  transition: transform var(--transition-base);
}

.project-card:hover .project-card__cta {
  transform: translateY(0);
}

/* --- BLOG --- */
.blog__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-5);
}

.blog-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.blog-card--featured {
  grid-row: span 2;
}

.blog-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-card--featured .blog-card__link {
  flex-direction: column;
}

.blog-card:not(.blog-card--featured) .blog-card__link {
  flex-direction: row;
}

.blog-card__image {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.blog-card--featured .blog-card__image {
  height: 280px;
}

.blog-card:not(.blog-card--featured) .blog-card__image {
  width: 140px;
  min-height: 100%;
}

.blog-card__image--unity {
  background: linear-gradient(160deg, #1a1033 0%, #2d1b69 40%, #1e3a5f 100%);
}

.blog-card__image--flutter {
  background: linear-gradient(160deg, #0c1929 0%, #0e4d6e 50%, #1a365d 100%);
}

.blog-card__image--creative {
  background: linear-gradient(160deg, #1a0a2e 0%, #4a1942 50%, #2d1b4e 100%);
}

.blog-card__image-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 5, 8, 0.6), transparent 60%);
  transition: opacity var(--transition-base);
}

.blog-card:hover .blog-card__image-gradient {
  opacity: 0.7;
}

.blog-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.pill {
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.pill--ai { background: rgba(139, 92, 246, 0.12); color: var(--accent-purple); }
.pill--mobile { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); }
.pill--creative { background: rgba(167, 139, 250, 0.12); color: var(--accent-violet); }

.blog-card__time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.blog-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.blog-card--featured .blog-card__title {
  font-size: var(--font-size-2xl);
}

.blog-card:hover .blog-card__title {
  color: var(--accent-purple);
}

.blog-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-4);
}

.blog-card__read {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.blog-card:hover .blog-card__read {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

/* --- SKILLS --- */
.skills__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
  align-items: center;
}

.radial-chart {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}

.radial-chart__svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.radial-chart__bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 6;
}

.radial-chart__ring {
  fill: none;
  stroke: var(--ring-color, var(--accent-purple));
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.85;
}

.radial-chart__center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.radial-chart__value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.radial-chart__label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.skills__bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.skill-category {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.skill-category.is-highlighted {
  background: var(--bg-glass);
  border-color: var(--border-glass);
  transform: translateX(8px);
}

.skill-category__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.skill-category__name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.skill-category__level {
  font-size: var(--font-size-xs);
  color: var(--accent-purple);
  font-weight: 500;
}

.skill-bar__track {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.skill-bar__fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 100px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
}

.skill-bar__fill.is-animated {
  width: var(--fill-width);
}

.skill-bar__label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* --- CONTACT --- */
.contact__wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.contact__form {
  padding: var(--space-8);
}

.form-group {
  position: relative;
  margin-bottom: var(--space-6);
}

.form-input {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  outline: none;
}

.form-input--textarea {
  resize: vertical;
  min-height: 120px;
}

.form-input:focus {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.form-label {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  pointer-events: none;
  transition: top var(--transition-base), font-size var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.form-input--textarea ~ .form-label {
  top: var(--space-4);
  transform: none;
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -10px;
  transform: none;
  font-size: var(--font-size-xs);
  color: var(--accent-purple);
  background: var(--bg-elevated);
  padding: 0 var(--space-2);
}

.form-input--textarea:focus ~ .form-label,
.form-input--textarea:not(:placeholder-shown) ~ .form-label {
  top: -10px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-top: var(--space-4);
}

.contact__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.contact__link:hover {
  background: var(--bg-glass);
  border-color: var(--border-glass);
  transform: translateX(8px);
}

.contact__link-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact__link-value {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
}

/* --- FOOTER --- */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* --- MODAL --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal.is-open .modal__backdrop {
  opacity: 1;
}

.modal__content {
  position: relative;
  z-index: 1;
  max-width: 520px;
  width: 100%;
  padding: var(--space-8);
  transform: translateY(24px) scale(0.96);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.modal.is-open .modal__content {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.modal__close:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.modal__tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.modal__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.modal__desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.modal__actions {
  display: flex;
  gap: var(--space-3);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about__grid,
  .skills__grid,
  .contact__wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .blog__grid {
    grid-template-columns: 1fr;
  }

  .blog-card--featured {
    grid-row: auto;
  }

  .blog-card:not(.blog-card--featured) .blog-card__link {
    flex-direction: column;
  }

  .blog-card:not(.blog-card--featured) .blog-card__image {
    width: 100%;
    height: 160px;
  }

  .radial-chart {
    width: 220px;
    height: 220px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-16: 5rem;
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__mobile-menu {
    display: flex;
  }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .project-card--wide {
    grid-column: auto;
  }

  .about__stats {
    gap: var(--space-5);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .modal__actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .contact__form {
    padding: var(--space-5);
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}